CVE-2020-25643

 

Published at: - 06-10-2020 04:15

Last modified: - 26-10-2022 01:44

Total changes: - 6

Description

A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7. Memory corruption and a read overflow is caused by improper input validation in the ppp_cp_parse_cr function which can cause the system to crash or cause a denial of service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

 

Verification logic

 

Reference

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=66d42ed8b25b64eb63111a2b8582c5afc8bf1105
• https://bugzilla.redhat.com/show_bug.cgi?id=1879981
• openSUSE-SU-2020:1655-Third Party Advisory
• openSUSE-SU-2020:1698-Mailing List, Third Party Advisory
• DSA-4774-Third Party Advisory
• [debian-lts-announce] 20201028 [SECURITY] [DLA 2417-1] linux-4.19 security update-Mailing List, Third Party Advisory
• [debian-lts-announce] 20201031 [SECURITY] [DLA 2420-2] linux regression update-Mailing List, Third Party Advisory
• [debian-lts-announce] 20201030 [SECURITY] [DLA 2420-1] linux security update-Mailing List, Third Party Advisory
• https://security.netapp.com/advisory/ntap-20201103-0002/
• https://www.starwindsoftware.com/security/sw-20210325-0002/

 

Keywords

NVD

 

CVE-2020-25643

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures